Pediatr. praxi. 2023;24(6):420-423 | DOI: 10.36290/ped.2023.101

Intramuscular arteriovenous malformation of the left pectoralis major muscle

prof. MUDr. Vladimír Mihál, CSc.1, 2, MUDr. Bohumil Zálešák, Ph.D.3, MUDr. Tomáš Tichý4, MUDr. Lenka Bakaj-Zbrožková, Ph.D.5, MUDr. Kamila Michálková5
1 Ústav molekulární a translační medicíny, FN a LF UP v Olomouci
2 Dětská klinika, LF UP a FN v Olomouci
3 Oddělení plastické chirurgie, LF UP a FN v Olomouci
4 Ústav klinické a molekulární patologie, LF UP a FN v Olomouci
5 Radiologická klinika, LF UP a FN v Olomouci

We present a primary intramuscular arteriovenous malformation of the left pectoralis major muscle in a 7-year-old boy. Elastic resistance characteristics on MRI, specifically increased signal intensity on T2-weighted images and marked contrast enhancement with gadolinium, were suggestive of increased vascularity. Histologically, the mass was determined to be an intramuscular vascular malformation of the arteriovenous small vessel subtype. The patient underwent complete microsurgical resection. This is one of the few intramuscular vascular malformations in children.

Keywords: intramuscular arteriovenous malformation, AVM, tumour-like nature, child, microsurgical extirpation.

Accepted: November 14, 2023; Published: November 22, 2023  Show citation

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Mihál V, Zálešák B, Tichý T, Bakaj-Zbrožková L, Michálková K. Intramuscular arteriovenous malformation of the left pectoralis major muscle. Pediatr. praxi. 2023;24(6):420-423. doi: 10.36290/ped.2023.101.
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